Home / 1,255,817.84-1,883,792.10-414,435.20

Finding the Fourth Proportional to 1,255,817.84, 1,883,792.10 and 414,435.20

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Solution

The fourth proportional to 1,255,817.84, 1,883,792.10 and 414,435.20 is: 621,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,817.84 : 1,883,792.10 = 414,435.20 : x
  2. Step 2: Convert to fraction form
    1,255,817.84/1,883,792.10 = 414,435.20/x
  3. Step 3: Cross multiply
    1,255,817.84x = 1,883,792.10 × 414,435.20
  4. Step 4: Simplify right side
    1,255,817.84x = 780,709,755,721.92
  5. Step 5: Solve for x
    x = 780,709,755,721.92/1,255,817.84
  6. Step 6: Final answer
    x = 621,674.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.